// For more tutorials: https://blog.learngoprogramming.com // // Copyright © 2018 Inanc Gumus // Learn Go Programming Course // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ // package main import "fmt" func main() { var array [2]int // zero value of an array is zero-valued elements fmt.Printf("array : %#v\n", array) // nope: arrays are fixed length // array[2] = 0 var slice []int // zero value of a slice is nil fmt.Println("slice == nil?", slice == nil) // nope: they don't exist: // _ = slice[0] // _ = slice[1] // len function still works though fmt.Println("len(slice) :", len(slice)) // array's length is part of its type fmt.Printf("array's type: %T\n", array) // whereas, slice's length isn't part of its type fmt.Printf("slice's type: %T\n", slice) }